Clark fork is located in Bonner county Idaho with a geographic area of 1.0 square miles. The total population in Clark fork is 849 with 49.6% male and 50.4% female. Children under age 5 represent 5.4% of the population, under age 18 equal 23.3% of the population and over age 65 is 14.6% of the population. The median household income is $36,761, per capita income is $15,729. There are a total of 345 housing units with 54.5% owner occupied. Education includes 29.3% of residents that are high school graduates and 15.9% with a bachelor's degree or higher. The average temperature in Clark fork in the summer is 63 degrees, and in the winter 24 degrees.